{"id":6098,"date":"2022-09-01T09:19:32","date_gmt":"2022-09-01T03:49:32","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-conversion-of-large-csv-file-to-prn-around-3-5-gb-in-ubuntu-using-bash\/"},"modified":"2022-09-01T09:19:32","modified_gmt":"2022-09-01T03:49:32","slug":"solved-conversion-of-large-csv-file-to-prn-around-3-5-gb-in-ubuntu-using-bash","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-conversion-of-large-csv-file-to-prn-around-3-5-gb-in-ubuntu-using-bash\/","title":{"rendered":"[Solved] Conversion of large .csv file to .prn (around 3.5 GB) in Ubuntu using bash"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-39793724\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"39793724\" data-parentid=\"39784883\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>It&#8217;s not clear from your question as you didn&#8217;t provide sample input\/output we could test against but it SOUNDS like all you&#8217;re trying to do is this:<\/p>\n<pre><code>$ cat tst.awk\nBEGIN {\n    split(\"7 10 15 12 4\",w)\n    FPAT=\"[^,]*|\\\"[^\\\"]*\\\"\"\n}\n{\n    gsub(\/\"\"\/,RS)\n    for (i=1;i&lt;=NF;i++) {\n        gsub(\/\"\/,\"\",$i)\n        gsub(RS,\"\\\"\",$i)\n        printf \"&lt;%-*s&gt;\", w[i], substr($i,1,w[i])\n    }\n    print \"\"\n}\n\n$ cat file\nabcde,\"ab,c,de\",\"ab \"\"c\"\" de\",\"a,\"\"b\"\",c\",ab\nabcdefghi,\"xyab,c,de\",\"xyzab \"\"c\"\" de\",abc,abcdefg\n\n$ awk -f tst.awk file\n&lt;abcde  &gt;&lt;ab,c,de   &gt;&lt;ab \"c\" de      &gt;&lt;a,\"b\",c     &gt;&lt;ab  &gt;\n&lt;abcdefg&gt;&lt;xyab,c,de &gt;&lt;xyzab \"c\" de   &gt;&lt;abc         &gt;&lt;abcd&gt;\n<\/code><\/pre>\n<p>Obviously I added the <code>&lt;<\/code> and <code>&gt;<\/code> around each field just to make it clear where each field starts\/ends, you&#8217;d remove that for your real application and I&#8217;m creating the array <code>w<\/code> to hold specific widths for each field as idk where you get that from otherwise.<\/p>\n<p>The above uses GNU awk for FPAT, with other awks it&#8217;d be a while(match()) loop.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">8<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Conversion of large .csv file to .prn (around 3.5 GB) in Ubuntu using bash <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] It&#8217;s not clear from your question as you didn&#8217;t provide sample input\/output we could test against but it SOUNDS like all you&#8217;re trying to do is this: $ cat tst.awk BEGIN { split(&#8220;7 10 15 12 4&#8243;,w) FPAT=&#8221;[^,]*|\\&#8221;[^\\&#8221;]*\\&#8221;&#8221; } { gsub(\/&#8221;&#8221;\/,RS) for (i=1;i&lt;=NF;i++) { gsub(\/&#8221;\/,&#8221;&#8221;,$i) gsub(RS,&#8221;\\&#8221;&#8221;,$i) printf &#8220;&lt;%-*s&gt;&#8221;, w[i], substr($i,1,w[i]) } print &#8220;&#8221; } &#8230; <a title=\"[Solved] Conversion of large .csv file to .prn (around 3.5 GB) in Ubuntu using bash\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-conversion-of-large-csv-file-to-prn-around-3-5-gb-in-ubuntu-using-bash\/\" aria-label=\"More on [Solved] Conversion of large .csv file to .prn (around 3.5 GB) in Ubuntu using bash\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[445,1042,483,400,1175],"class_list":["post-6098","post","type-post","status-publish","format-standard","hentry","category-solved","tag-awk","tag-bash","tag-csv","tag-excel","tag-ubuntu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Conversion of large .csv file to .prn (around 3.5 GB) in Ubuntu using bash - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-conversion-of-large-csv-file-to-prn-around-3-5-gb-in-ubuntu-using-bash\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Conversion of large .csv file to .prn (around 3.5 GB) in Ubuntu using bash - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] It&#8217;s not clear from your question as you didn&#8217;t provide sample input\/output we could test against but it SOUNDS like all you&#8217;re trying to do is this: $ cat tst.awk BEGIN { split(&quot;7 10 15 12 4&quot;,w) FPAT=&quot;[^,]*|&quot;[^&quot;]*&quot;&quot; } { gsub(\/&quot;&quot;\/,RS) for (i=1;i&lt;=NF;i++) { gsub(\/&quot;\/,&quot;&quot;,$i) gsub(RS,&quot;&quot;&quot;,$i) printf &quot;&lt;%-*s&gt;&quot;, w[i], substr($i,1,w[i]) } print &quot;&quot; } ... 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